The $i$-th component of the total magnetic force ( $F_i$ ) as a surface integral using the explicit expression for the magnetic field components is:

$$ F_i=\frac{1}{\mu_0} \oint_S\left[B_j B_i-\frac{1}{2} \delta_{i j} B^2\right] d S_j $$

Write the i-th component of the total magnetic force as a surface integral using the explicit expression for the magnetic field components-L.mp4